void
net_write_error (int sock, int version, char *driver_info, char *cas_info, int cas_info_size, int indicator, int code,
char *msg)
{
size_t len = NET_SIZE_INT;
size_t err_msg_len = 0;
char err_msg[ERR_MSG_LENGTH];
assert (code != NO_ERROR);
if (version >= CAS_MAKE_VER (8, 3, 0))
{
len += NET_SIZE_INT;
}
err_msg_len = net_error_append_shard_info (err_msg, msg, ERR_MSG_LENGTH);
if (err_msg_len > 0)
{
len += err_msg_len + 1;
}
net_write_int (sock, len);
if (cas_info_size > 0)
{
net_write_stream (sock, cas_info, cas_info_size);
}
if (version >= CAS_MAKE_VER (8, 3, 0))
{
net_write_int (sock, indicator);
}
if (!DOES_CLIENT_MATCH_THE_PROTOCOL (version, PROTOCOL_V2) && !cas_di_understand_renewed_error_code (driver_info)
&& code != NO_ERROR)
{
if (indicator == CAS_ERROR_INDICATOR || code == CAS_ER_NOT_AUTHORIZED_CLIENT)
{
code = CAS_CONV_ERROR_TO_OLD (code);
}
}
net_write_int (sock, code);
if (err_msg_len > 0)
{
net_write_stream (sock, err_msg, err_msg_len + 1);
}
}
/*
====================
set_gamestate_GAME
Start a new game
====================
*/
void set_gamestate_GAME()
{
if (g_init())
return; // return to the editor if game init failed
gamestate = GAME;
if (net_is_server) {
net_write_sync_square();
srv_sync_player_name();
net_write_int(STATE_CHANGE_BYTE, 1, GAME);
}
}
/*
====================
g_add_segment
pos_x and pos_y are "-1" for local input,
otherwise they are coordinate from net
====================
*/
void g_add_segment(int pos_x, int pos_y, int side)
{
if (pos_x == -1) {
if(!net_game || (local_player.turn == local_player.player_n)) {
pos_x = g_min_x + (input.mouse_x - g_offset_x) / g_square_size;
pos_y = g_min_y + (input.mouse_y - g_offset_y) / g_square_size;
}
}
if (pos_x < g_min_x || pos_x >= g_max_x) return;
if (pos_y < g_min_y || pos_y >= g_max_y) return;
if (!squares[pos_y][pos_x].active) return;
int center_x = squares[pos_y][pos_x].x1 +
(squares[pos_y][pos_x].x2 - squares[pos_y][pos_x].x1) / 2;
int center_y = squares[pos_y][pos_x].y1 +
(squares[pos_y][pos_x].y2 - squares[pos_y][pos_x].y1) / 2;
int current_dist;
int shortest_dist = g_square_size * 2; // start with maximum distance
if (side == -1) {
// top
current_dist = sqrt(ipow(input.mouse_y - squares[pos_y][pos_x].y1, 2) +
ipow(input.mouse_x - center_x, 2));
if (current_dist < shortest_dist) {
shortest_dist = current_dist;
side = UP;
}
// right
current_dist = sqrt(ipow(input.mouse_y - center_y, 2) +
ipow(input.mouse_x - squares[pos_y][pos_x].x2, 2));
if (current_dist < shortest_dist) {
shortest_dist = current_dist;
side = RIGHT;
}
// down
current_dist = sqrt(ipow(input.mouse_x - center_x, 2) +
ipow(input.mouse_y - squares[pos_y][pos_x].y2, 2));
if (current_dist < shortest_dist) {
shortest_dist = current_dist;
side = DOWN;
}
// left
current_dist = sqrt(ipow(input.mouse_x - squares[pos_y][pos_x].x1, 2) +
ipow(input.mouse_y - center_y, 2));
if (current_dist < shortest_dist) {
shortest_dist = current_dist;
side = LEFT;
}
}
if (net_is_server ||
(net_is_client && (local_player.turn == local_player.player_n)))
net_write_int(G_ADD_SEG_BYTE, 3, pos_x, pos_y, side);
switch (side) {
case UP:
if (squares[pos_y][pos_x].owner_up == NONE) {
squares[pos_y][pos_x].owner_up = local_player.turn;
*squares[pos_y][pos_x].neighbour_up = local_player.turn;
} else return;
break;
case RIGHT:
if (squares[pos_y][pos_x].owner_right == NONE) {
squares[pos_y][pos_x].owner_right = local_player.turn;
*squares[pos_y][pos_x].neighbour_right = local_player.turn;
} else return;
break;
case DOWN:
if (squares[pos_y][pos_x].owner_down == NONE) {
squares[pos_y][pos_x].owner_down = local_player.turn;
*squares[pos_y][pos_x].neighbour_down = local_player.turn;
} else return;
break;
case LEFT:
if (squares[pos_y][pos_x].owner_left == NONE) {
squares[pos_y][pos_x].owner_left = local_player.turn;
*squares[pos_y][pos_x].neighbour_left = local_player.turn;
} else return;
break;
}
g_check_complete_square(&squares[pos_y][pos_x]);
// check neighbour squares
if (pos_y != 0)
g_check_complete_square(&squares[pos_y - 1][pos_x]);
if (pos_x != ed_grid_w)
g_check_complete_square(&squares[pos_y][pos_x + 1]);
if (pos_y < ed_grid_h - 1)
g_check_complete_square(&squares[pos_y + 1][pos_x]);
if (pos_x != 0)
g_check_complete_square(&squares[pos_y][pos_x - 1]);
input.mouse_button_left = false;
input.mouse_button_right = false;
if (!net_game || net_is_server) {
// game ended
if (!squares_remaining) {
if (local_player.turn == NONE) return; // no winner
// move current player moving square to winning player
if (local_player.turn != winning_player) {
local_player.turn = winning_player;
fx_new_transition(NULL, 5, FX_PLAYER_CHANGE);
}
return;
}
if (local_player.turn == PLAYER_0) {
local_player.turn = PLAYER_1;
} else {
local_player.turn = PLAYER_0;
}
if (net_is_server)
net_write_int(G_PLAYER_TURN_BYTE, 1, local_player.turn);
fx_new_transition(NULL, 5, FX_PLAYER_CHANGE);
}
}
